Modifiers matching interval:

• convenient,
• equidistant,
• repetitive,
• discrete,
• smaller,
• vertical,
• temporal,
• fixed,
• hourly,
• tonal,
• regular,
• common,
• small,
• melodic,
• larger,
• irregular,
• respiratory,
• long,
• specified,
• descending,
• longer,
• short,
• basic,
• real,
• statistical,
• monthly,

Simple categories matching respiratory:

• infection,
• disease,
• care,
• structure,
• reflex,
• support,
• failure,
• signal,
• sound,
• disorder,
• condition,
• cancer,
• equipment,
• death,
• illness,
• chain,
• system,
• pathology,
• interval,
• problem,
• drug,
• pathogen,
• effort,
• cover,
• tissue,
• secretion,
• hazard,
• organ,
• complication,
• toxin,
• passage,
• symptom,
• depressant,
• virus,
• event,
• protection,
• allergen,
• component,
• muscle,
• service,
• tube,
• sensitivity,
• difficulty,
• machine,
• connector,
• product,
• treatment,
• control,
• cell,
• gas,
• carcinogen,